Manufacturers of plug-in hybrids love to make exaggerated claims about their fuel efficiency. In this video, we take the rare 369 horsepower BMW i8 out for a spin to show you how to get the most out of the petrol/electric plug-in drivetrain + what mileage and electric range you can expect in real-world conditions from this facelift example with the bigger 11.6 kWh battery. Spoiler: it’s nowhere near the claimed 128 MPG. CHAPTERS: 00:00 Introduction 00:49 Cabin Preconditioning 02:05 Electric Driving 10:44 Hybrid Driving 17:17 Motorway Driving 19:37 Sport Mode 20:35 Conclusion